Order: Lecanorales       Family: Stereocaulaceae Species: Lepraria vouauxii Previously Leproloma vouauxii. Growth type leprose. Photos: On limestone wall. Teampall Chronain, the Burren, Ireland BLS Burren meeting 2009 The thallus is a diffuse, thickish crust of pale greyish-green granules with +/- indistinct lobed margins and white medulla. Sterile, apothecia are unknown. Occurs on surfaces sheltered from rain on intermediate or basic walls, mortar and bark. Avoids very acidic substrata. Thallus K+ dirty yellow to orange, C+ dirty yellow, P+ orange or orange-yellow, UV-

Lepraria vouauxii. BLS Burren meeting, April 2009